Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request